Engines used by the USDA Forest Service to deliver water during wildfire suppression efforts are called upon to operate on mountain roads and in off-road assignments along firelines. They are designed to operate under rough conditions with abnormally high physical stress and vibration. This Model 62 Engine Operator's Guide provides a reference for the chassis-cab and the power-take-off (pto) centrifugal pump unit:

Applicable specifications

Field maintenance

Operating tips

Troubleshooting and problem solving.

This guide is intended to be an orientation text for Model 62 crewmembers.